Engineered pumping segment

Details Engineered pumping segment Engineered pumping segment

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 43/14 (2006.01) A61M 5/142 (2006.01) F04B 11/00 (2006.01) F04B 43/02 (2006.01) A61M 39/28 (2006.01)

Patent

CA 2199406

An engineered pumping segment (10) for facilitating efficient and accurate peristaltic pumping of fluids, providing regulation of fluid flow and providing an effective interface for sensing fluid line pressure in a peristaltic pump system. The engineered pumping segment includes an elastomeric membrane sandwiched between a rigid base (14) and a rigid cover (16) and a slider (18) adapted to slidably mount about the base and cover. The membrane and base define a channel for fluid flow, and the membrane, base and cover cooperate to facilitate peristaltic pumping of fluids through the engineered pumping segment and to provide pressure sensing interface, and in combination with the slider, cooperate to regulate fluid flow.

L'invention se rapporte à un segment de pompage aménagé (10) pour faciliter le pompage péristaltique efficace et précis de fluides, assurer la régulation du débit fluidique et constituer une interface efficace pour détecter la pression fluidique dans un système de pompe péristaltique. Ce segment de pompage aménagé comporte une membrane élastomère prise en sandwich entre une base rigide (14) et un capot rigide (16), ainsi qu'une coulisse (18) montée coulissante autour de la base et du capot. La membrane et la base définissent un canal destiné à l'écoulement fluidique, et la membrane, la base et le capot coopèrent pour faciliter le pompage péristaltique de fluides à travers le segment de pompage aménagé et pour constituer une interface de détection de pression, et en association avec la coulisse, coopèrent pour réguler le débit fluidique.

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